Why it works: Chocolate and hazelnut work together. They rank in the top 3% of all ingredient pairs, and 350 recipes mention both. Both carry 2-acetyl-1-pyrroline, which smells popcorn, roasted. The science ↓
The recipe
4 dozen cookiesIngredients
Contains: egg, milk, wheat, tree nuts (auto-detected from the ingredients and method; we can miss things, so check labels)
Directions
Method written by CompKitchen from the ingredient list. Not the original author's method, not kitchen-tested.
Heat the oven to 375°F (190°C). Line baking sheets with parchment paper or leave them ungreased.
In a large bowl, beat the shortening and light brown sugar together until creamy and smooth.
Beat in the milk, vanilla extract, egg and chocolate hazelnut spread until fully combined.
In a separate bowl, whisk the flour, salt and baking soda together. Add to the wet mixture and stir until just combined.
Stir in the semi-sweet chocolate chips and the chopped hazelnuts, if using, until evenly distributed through the dough.
Drop rounded tablespoons of dough onto the baking sheets, leaving about 2 inches between each cookie.
Bake one sheet at a time for 8 to 10 minutes, until the edges are golden but the centers still look soft.
Let the cookies cool on the sheet for 2 minutes, then move them to a wire rack to cool completely.
Explore the science
The flavor team
The pairs that carry this dish. Each one is judged two ways: how much aroma chemistry they share, and how many recipes mention both.
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Chocolate + hazelnuttop 3% of all pairsAroma overlapmoderateMentioned together350 recipes
Shared aroma: 2-acetyl-1-pyrroline (popcorn, roasted).
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Milk + vanillatop 2% of all pairsAroma overlapmoderateMentioned together19,175 recipes
Shared aroma: ethyl caproate (fruity, apple peel).
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Vanilla + chocolatetop 2% of all pairsAroma overlapmoderateMentioned together10,018 recipes
Shared aroma: sotolon (curry, maple).
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Butter + milktop 3% of all pairsAroma overlapstrongMentioned together81,222 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Sugar + vanillatop 3% of all pairsAroma overlaplowMentioned together35,031 recipes
Shared aroma: beta-damascenone (apple, rose).
Sugar and vanilla share little aroma chemistry, yet 35,031 recipes mention both: they likely work on texture and structure more than aroma.
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
The Sunday pairing: one pairing, the chemistry behind it, and how to cook it. No spam, unsubscribe anytime.
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